Snow geese, pelicans and bald eagles fly over the Great Plains, the Grand Canyon, Alaska and the Golden Gate Bridge.

Cape gannets dive among sharks, dolphins and whales; flying with fish eagles, flamingos, kelp gulls, and vultures.

Cranes and geese fly over Italy, Scotland, and the Rock of Gibraltar. Plus, birds breed in Rome, the Loire Valley, Holland and Hungary, in this birds-eye view of some of the world's greatest natural spectacles.

Condors and scarlet macaws fly over the Andes and the Amazon; giant petrels in Patagonia; hummingbirds at Iguazu Falls; vultures over Rio de Janeiro; black vultures seek turtle eggs in Costa Rica.

Japanese cranes, swallows, and swifts visit the Forbidden City; lorikeets, cockatoos and budgies in Australia; pigeons in India; geese fly above the Himalayas.

Looks at the techniques used to capture remarkable images of wild flocks in full flight, while also exploring the extraordinary relationships between people and birds.